×

System for the detection and localization of defective lamps of an urban lighting network

  • US 5,095,502 A
  • Filed: 12/05/1988
  • Issued: 03/10/1992
  • Est. Priority Date: 12/04/1987
  • Status: Expired due to Fees
First Claim
Patent Images

1. A unit for detection, localization, and signalizing of functional defects of each lighting unit in a lighting network divided into zones (1,2,3,4), particularly a public lighting network, comprising a zone supply line coming from a cabinet (5,6,7,8), with the zones furthermore each being connected with a central electrical supply and with a central monitoring computer (17) in a control room (18), characterized by the fact that said unit comprises, for each zone:

  • an emitter module (21) with which each street lamp is equipped, said emitter module being equipped with a detector (23) for detecting current consumption and for emitting a detections signal characteristic thereof; and

    a receiver module (22) managed by means of a microprocessor which transmits a defect signal to the control room over a telephone line connecting each zone to the monitoring computer (17), for the purpose of intervention by a maintenance team.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×